🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 12.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.55 AU - 1.87 AU

Year: 1444 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,112,238 km

• M1: 159,471 km (0.072 R)
• M2: 870,061 km (0.097 R)
• M3: 1,492,837 km (0.102 R)
• M4: 2,040,964 km (0.072 R)
• M5: 3,189,427 km (0.107 R)
• M6: 3,938,014 km (0.1 R)
• M7: 5,605,881 km (0.119 R)
• M8: 7,247,568 km (0.076 R)
• M9: 8,385,559 km (0.101 R)
• M10: 8,862,028 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 13.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.5 AU - 3.7 AU

Year: 3524 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,112,238 km

• M1: 172,935 km (0.093 R)
• M2: 641,476 km (0.039 R)
• M3: 1,274,574 km (0.118 R)
• M4: 1,760,318 km (0.038 R)
• M5: 3,300,578 km (0.107 R)
• M6: 3,840,028 km (0.06 R)
• M7: 9,096,149 km (0.099 R)
• M8: 12,595,542 km (0.095 R)
• M9: 13,437,928 km (0.089 R)
• M10: 15,235,496 km (0.11 R)
• M11: 16,796,101 km (0.05 R)
• M12: 18,284,001 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 9.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.19 AU - 3.57 AU

Year: 4012 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,112,238 km

• M1: 118,182 km (0.06 R)
• M2: 507,586 km (0.089 R)
• M3: 850,314 km (0.073 R)
• M4: 1,893,161 km (0.118 R)
• M5: 4,021,939 km (0.064 R)
• M6: 6,605,644 km (0.106 R)
• M7: 6,922,342 km (0.114 R)
• M8: 8,291,911 km (0.033 R)
• M9: 9,146,264 km (0.117 R)
• M10: 9,982,965 km (0.097 R)
• M11: 10,516,880 km (0.093 R)
• M12: 12,492,619 km (0.115 R)
• M13: 13,339,193 km (0.056 R)
• M14: 16,472,970 km (0.111 R)
• M15: 17,164,710 km (0.069 R)
• M16: 17,490,385 km (0.046 R)
• M17: 18,322,747 km (0.074 R)
• M18: 19,123,245 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.9

Radius: 11.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.67 AU - 4.01 AU

Year: 4859 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,112,238 km

• M1: 139,276 km (0.076 R)
• M2: 502,499 km (0.113 R)
• M3: 1,225,057 km (0.106 R)
• M4: 2,305,902 km (0.112 R)
• M5: 5,707,757 km (0.075 R)
• M6: 7,563,968 km (0.038 R)
• M7: 11,331,141 km (0.119 R)
• M8: 12,069,257 km (0.113 R)
• M9: 14,079,703 km (0.109 R)
• M10: 20,159,809 km (0.081 R)
• M11: 21,113,944 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 12.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.35 AU - 4.49 AU

Year: 6000 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,112,238 km

• M1: 153,039 km (0.039 R)
• M2: 641,476 km (0.057 R)
• M3: 1,320,351 km (0.029 R)
• M4: 2,000,273 km (0.055 R)
• M5: 2,690,368 km (0.029 R)
• M6: 3,271,257 km (0.099 R)
• M7: 5,171,449 km (0.104 R)
• M8: 5,690,254 km (0.114 R)
• M9: 6,474,745 km (0.103 R)
• M10: 7,172,171 km (0.086 R)
• M11: 8,574,352 km (0.114 R)
• M12: 9,721,318 km (0.102 R)
• M13: 10,392,265 km (0.091 R)
• M14: 11,608,047 km (0.086 R)
• M15: 13,630,610 km (0.043 R)
• M16: 14,270,739 km (0.096 R)
• M17: 15,347,096 km (0.11 R)
• M18: 15,878,318 km (0.073 R)
• M19: 16,476,859 km (0.068 R)
• M20: 18,126,924 km (0.085 R)
• M21: 18,541,310 km (0.04 R)
• M22: 20,644,357 km (0.06 R)
• M23: 21,226,741 km (0.059 R)
• M24: 22,970,903 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 8.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.65 AU - 5.61 AU

Year: 6433 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,112,238 km

• M1: 106,214 km (0.12 R)
• M2: 462,407 km (0.092 R)
• M3: 837,449 km (0.102 R)
• M4: 1,355,806 km (0.054 R)
• M5: 1,700,778 km (0.118 R)
• M6: 2,015,532 km (0.102 R)
• M7: 3,083,511 km (0.071 R)
• M8: 3,385,849 km (0.112 R)
• M9: 3,730,223 km (0.118 R)
• M10: 4,514,864 km (0.093 R)
• M11: 6,802,215 km (0.097 R)
• M12: 10,785,707 km (0.113 R)
• M13: 11,726,379 km (0.084 R)
• M14: 12,117,577 km (0.117 R)
• M15: 12,977,615 km (0.036 R)
• M16: 14,371,119 km (0.055 R)
• M17: 15,334,530 km (0.087 R)
• M18: 18,614,463 km (0.112 R)
• M19: 19,417,205 km (0.099 R)
• M20: 22,409,013 km (0.112 R)
• M21: 24,805,122 km (0.063 R)
• M22: 25,287,874 km (0.111 R)
• M23: 26,438,731 km (0.059 R)
• M24: 27,623,995 km (0.093 R)
• M25: 29,288,720 km (0.08 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 12,722 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit